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https://www.readbyqxmd.com/read/28098768/preventive-effects-of-drinking-hydrogen-rich-water-on-gingival-oxidative-stress-and-alveolar-bone-resorption-in-rats-fed-a-high-fat-diet
#1
Toshiki Yoneda, Takaaki Tomofuji, Muneyoshi Kunitomo, Daisuke Ekuni, Koichiro Irie, Tetsuji Azuma, Tatsuya Machida, Hisataka Miyai, Kouhei Fujimori, Manabu Morita
Obesity induces gingival oxidative stress, which is involved in the progression of alveolar bone resorption. The antioxidant effect of hydrogen-rich water may attenuate gingival oxidative stress and prevent alveolar bone resorption in cases of obesity. We examined whether hydrogen-rich water could suppress gingival oxidative stress and alveolar bone resorption in obese rats fed a high-fat diet. Male Fischer 344 rats (n = 18) were divided into three groups of six rats each: a control group (fed a regular diet and drinking distilled water) and two experimental groups (fed a high-fat diet and drinking distilled water or hydrogen-rich water)...
January 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28098516/germacrone-attenuates-hyperlipidemia-and-improves-lipid-metabolism-in-high-fat-diet-induced-obese-c57bl-6j-mice
#2
Yuan-Ri Guo, Se-Young Choung
We previously showed that Aster spathulifolius Maxim extract (ASE) reduced body weight gain and serum and liver lipid levels and significantly suppressed serum insulin and leptin concentrations in high-fat diet (HFD)-induced obese rats. Germacrone (GM) was identified as a potent bioactive constituent of ASE. In this study, we hypothesized that GM can attenuate hyperlipidemia by alleviating fatty acid (FA) synthesis/uptake and improve lipid metabolism by stimulating FA β-oxidation in HFD-induced obese C57BL/6J mice...
January 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28096887/thylakoids-reduce-body-fat-and-fat-cell-size-by-binding-to-dietary-fat-making-it-less-available-for-absorption-in-high-fat-fed-mice
#3
Karin G Stenkula, Eva-Lena Stenblom, Caroline Montelius, Emil Egecioglu, Charlotte Erlanson-Albertsson
BACKGROUND: Dietary thylakoids derived from spinach have beneficial effects on body fat accumulation and blood lipids as demonstrated in humans and rodents. Important mechanisms established include delayed fat digestion in the intestine, without causing steatorrhea, and increased fatty acid oxidation in intestinal cells. The objective of our study was to elucidate if increased fecal fat excretion is an important mechanism to normalize adipose tissue metabolism during high-fat feeding in mice supplemented with thylakoids...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28096236/inhibitory-effects-of-%C3%AE-and-%C3%AE-tocopherols-on-estrogen-stimulated-breast-cancer-in-vitro-and-in-vivo
#4
Min Ji Bak, Soumyasri Das Gupta, Joseph Wahler, Hong Jin Lee, Xiaowei Li, Mao-Jung Lee, Chung S Yang, Nanjoo Suh
Estrogens have been implicated as complete carcinogens for breast and other tissues through mechanisms involving increased cell proliferation, oxidative stress and DNA damage. Because of their potent antioxidant activity and other effects, tocopherols have been shown to exert anti-tumor activities in various cancers. However, limited information is available on the effect of different forms of tocopherols in estrogen-mediated breast cancer. To address this, we examined the effects of α-, γ- and δ-tocopherols as well as a natural γ-tocopherol rich mixture of tocopherols, γ-TmT, on estrogen-stimulated MCF-7 cells in vitro and in vivo...
January 17, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28095783/genome-wide-expression-profiling-in-muscle-and-subcutaneous-fat-of-lambs-in-response-to-the-intake-of-concentrate-supplemented-with-vitamin-e
#5
Laura González-Calvo, Elda Dervishi, Margalida Joy, Pilar Sarto, Roberto Martin-Hernandez, Magdalena Serrano, Jose M Ordovás, Jorge H Calvo
BACKGROUND: The objective of this study was to acquire a broader, more comprehensive picture of the transcriptional changes in the L. Thoracis muscle (LT) and subcutaneous fat (SF) of lambs supplemented with vitamin E. Furthermore, we aimed to identify novel genes involved in the metabolism of vitamin E that might also be involved in meat quality. In the first treatment, seven lambs were fed a basal concentrate from weaning to slaughter (CON). In the second treatment, seven lambs received basal concentrate from weaning to 4...
January 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28095188/mir-148a-and-mir-17-5p-synergistically-regulate-milk-tag-synthesis-via-ppargc1a-and-ppara-in-goat-mammary-epithelial-cells
#6
Zhi Chen, Jun Luo, Shuang Sun, Duoyao Cao, Huaiping Shi, Juan J Loor
MicroRNA (miRNA) are a class of '18-25' nt RNA molecules which regulate gene expression and play an important role in several biological processes including fatty acid metabolism. Here we utilized S-Poly (T) and high-throughput sequencing to evaluate the expression of miRNA and mRNA during early-lactation and in the non-lactating ("dry") period in goat mammary gland tissue. Results indicated that miR-148a, miR-17-5p, PPARGC1A and PPARA are highly expressed in the goat mammary gland in early-lactation and non-lactating periods...
January 17, 2017: RNA Biology
https://www.readbyqxmd.com/read/28094452/the-dipteran-parasitoid-exorista-bombycis-induces-pro-and-anti-oxidative-reactions-in-the-silkworm-bombyx-mori-enzymatic-and-genetic-analysis
#7
Pooja Makwana, Appukuttan Nair R Pradeep, Shambhavi P Hungund, Kangayam M Ponnuvel, Kanika Trivedy
Hymenopteran parasitoids inject various factors including polydnaviruses along with their eggs into their host insects that suppress host immunity reactions to the eggs and larvae. Less is known about the mechanisms evolved in dipteran parasitoids that suppress host immunity. Here we report that the dipteran, Exorista bombycis, parasitization leads to pro-oxidative reactions and activation of anti-oxidative enzymes in the silkworm Bombyx mori larva. We recorded increased activity of oxidase, superoxide dismutase, thioredoxin peroxidase, catalase, glutathione-S-transferase (GST), and peroxidases in the hemolymph plasma, hemocytes, and fat body collected from B...
January 17, 2017: Archives of Insect Biochemistry and Physiology
https://www.readbyqxmd.com/read/28093985/ketogenic-diet-and-other-dietary-intervention-strategies-in-the-treatment-of-cancer
#8
Matteo Vergati, Eriseld Krasniqi, Girolamo Del Monte, Silvia Riondino, Doriana Vallone, Fiorella Guadagni, Patrizia Ferroni, Mario Roselli
Pre-clinical and clinical studies have investigated the role of a dysregulated metabolism in the sustainability of tumor initiation and progression. One of the most familiar metabolic alterations encountered in several types of cancers is the upregulation of glycolysis, which is also maintained in conditions of normal oxygen tension (aerobic glycolysis, Warburg effect) while oxidative phosphorylation is apparently reduced. As a result, cancer cells convert most incoming glucose to lactate. Although more rapid, adenosine triphosphate (ATP) production by glycolysis is less efficient in terms of ATP generated per unit of glucose consumed than oxidative phosphorylation...
January 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28092746/supranutritional-selenium-intake-from-enriched-milk-casein-impairs-hepatic-insulin-sensitivity-via-attenuated-irs-pi3k-akt-signaling-and-decreased-pgc-1%C3%AE-expression-in-male-sprague-dawley-rats
#9
Priska Stahel, Julie J Kim, Scott R L Cieslar, Jenny M Warrington, Changting Xiao, John P Cant
Selenium (Se)-enriched milk provides antioxidant benefits and has therapeutic potential against cancer. However, both antidiabetic and prodiabetic effects have been attributed to Se. Our objective was to evaluate the effect of Se-enriched milk casein on insulin sensitivity in rats when given at the requirement of 0.25 ppm Se and supranutritionally on both low- and high-fat diets. Two hundred sixteen male Sprague-Dawley rats were fed low- or high-fat diets containing one, two or eight times the Se requirement in a randomized block design...
January 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28092745/omija-fruit-ethanol-extract-improves-adiposity-and-related-metabolic-disturbances-in-mice-fed-a-high-fat-diet
#10
Hyo Jin Park, Hye-Jin Kim, Sang Ryong Kim, Myung-Sook Choi, Un Ju Jung
This study investigated the biological and molecular mechanisms underlying the antiobesity effect of omija fruit ethanol extract (OFE) in mice fed a high-fat diet (HFD). C57BL/6J mice were fed an HFD (20% fat, w/w) with or without OFE (500 mg/kg body weight) for 16 weeks. Dietary OFE significantly increased brown adipose tissue weight and energy expenditure while concomitantly decreasing white adipose tissue (WAT) weight and adipocyte size by up-regulating the expression of brown fat-selective genes in WAT...
January 9, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28092161/estimation-of-ellagic-acid-and-or-repaglinide-effects-on-insulin-signaling-oxidative-stress-and-inflammatory-mediators-of-liver-pancreas-adipose-tissue-and-brain-in-insulin-resistant-type-2-diabetic-rats
#11
Mohamed M Amin, Mahmoud S Arbid
Even though ellagic acid has previously been valued in many models of cancer, so far its full mechanistic effect as a natural antiapoptotic agent in the prevention of type 2 diabetes complications has not been completely elucidated, which was the goal of this study. We fed albino rats a high-fat fructose diet (HFFD) for 2 months to induce insulin resistance/type 2 diabetes and then treated the rats with ellagic acid (10 mg/kg body weight, orally) and/or repaglinide (0.5 mg/kg body weight, orally) for 2 weeks...
October 21, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28091680/protective-effects-of-dietary-glycine-and-glutamic-acid-toward-the-toxic-effects-of-oxidized-mustard-oil-in-rabbits
#12
Alam Zeb, Saleem Ur Rahman
The protective role of glycine and glutamic acid against the toxic effects of oxidized oil was studied for the first time. Mustard seed oil was thermally oxidized and characterized for quality characteristics and polyphenolic composition using reversed phase HPLC-DAD. Significant changes in the quality characteristics occurred with thermal oxidation. Fourteen polyphenolic compounds were identified and quantified in oils. Quercetin-3-glucoside, quercetin-3-feruloylsophoroside, catechin, quercetin-3-rutinoside, quercetin-3,7-diglucoside, sinapic acid and vanillic acid hexoside were the major compounds in the fresh and oxidized oil...
January 16, 2017: Food & Function
https://www.readbyqxmd.com/read/28091678/pepsin-egg-white-hydrolysate-modulates-gut-microbiota-in-zucker-obese-rats
#13
Teresa Requena, Marta Miguel, Marta Garcés-Rimón, M Carmen Martínez-Cuesta, Rosina López-Fandiño, Carmen Peláez
There is limited information that relates the intake of food-derived bioactive peptides and the gut microbiota. We have previously described a pepsin hydrolysate of egg white (EWH) that ameliorates fat accumulation and dyslipidemia, while reducing oxidative stress and inflammation markers in obese Zucker rats. The aim of this study was to associate the beneficial effects of EWH with gut microbiota changes in these animals. Obese Zucker rats received daily 750 mg kg(-1) EWH in drinking water for 12 weeks and faeces were analysed for microbial composition and metabolic compounds in comparison with Zucker lean rats and obese controls...
January 16, 2017: Food & Function
https://www.readbyqxmd.com/read/28089828/nitrite-increases-glucose-stimulated-insulin-secretion-and-islet-insulin-content-in-obese-type-2-diabetic-male-rats
#14
Sevda Gheibi, Fatemeh Bakhtiarzadeh, Sajad Jeddi, Khadijeh Farrokhfall, Homeira Zardooz, Asghar Ghasemi
PURPOSE: Reduced bioavailability of nitric oxide (NO) is associated with pathogenesis of type 2 diabetes. Nitrite can act as a substrate for generation of systemic NO. The aim of this study was to examine the effects of nitrite administration on glucose-stimulated insulin secretion (GSIS) and islet insulin content in obese type 2 diabetic rats. METHODS: Male rats were divided into 4 groups: Control, control + nitrite, diabetes, and diabetes + nitrite. Sodium nitrite (50 mg/L in drinking water) was administered for 8 weeks...
January 9, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28089726/hne-and-cholesterol-oxidation-products-in-colorectal-inflammation-and-carcinogenesis
#15
Daniela Rossin, Simone Calfapietra, Barbara Sottero, Giuseppe Poli, Fiorella Biasi
Consistent experimental data suggest the importance of inflammation-associated oxidative stress in colorectal cancer (CRC) pathogenesis. Inflammatory bowel disease with chronic intestinal inflammation is now considered a precancerous condition. Oxidative stress is an essential feature of inflammation. Activation of redox-sensitive pro-inflammatory cell signals and inflammatory mediators concur to establish a pro-tumoral environment. In this frame, lipid oxidation products, namely 4-hydroxynonenal and oxysterols, can be produced in big quantity so as to be able to exert their function as inducers of cell signaling pathways of proliferation and survival...
January 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28089094/postprandial-clearance-of-oxidized-low-density-lipoprotein-in-patients-with-stroke-due-to-atherosclerosis
#16
Sami Al Kasab, Christy Cassarly, Ngoc-Anh Le, Renee Martin, Julia Brinley, Marc I Chimowitz, Tanya N Turan
BACKGROUND: Oxidized low-density lipoprotein (OxLDL) is a contributor to atherosclerosis development. OxLDL formation increases in the postprandial state due to oxidative stress in subjects with coronary artery disease (CAD) and diabetes, but has not been studied in patients with atherosclerotic stroke. We aimed to determine differences in postprandial OxLDL in patients with atherosclerotic stroke compared to stroke from other causes. METHODS: Patients with ischemic stroke but no history of CAD (n = 42) were enrolled and categorized by stroke subtype as extracranial atherosclerosis (EC), n = 12; intracranial atherosclerosis (IC), n = 16; or other cause, n = 14...
January 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28088959/-effect-of-exendin-4-on-lipid-deposition-in-skeletal-muscle-of-diet-induced-obese-mice-and-its-underlying-mechanism
#17
H Y Cao, F Xu, Z L Chen, B S Lin, X B Zheng, S H Yuan, H Liang, J P Weng
Objective: To investigate the effect of exendin-4, a glucagon-like peptide-1 (GLP-1) receptor agonist, on reducing lipid deposition and improving insulin resistance in skeletal muscle and the underlying mechanisms in high-fat diet (HFD)-induced obese mice. Methods: Twelve male C57BL/6J mice were challenged with HFD for 12 weeks to induce obesity and then randomly divided into two groups: exendin-4 group (intraperitoneal injection of 24 nmol·kg(-1)·d(-1) exendin-4 for 4 weeks) and HFD group (intraperitoneal injection of normal saline for 4 weeks), with 6 mice in each group...
January 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28088205/quercetin-improves-macrophage-reverse-cholesterol-transport-in-apolipoprotein-e-deficient-mice-fed-a-high-fat-diet
#18
Yingjie Cui, Pengbo Hou, Fahui Li, Qinghua Liu, Shucun Qin, Guanghai Zhou, Xuelian Xu, Yanhong Si, Shoudong Guo
BACKGROUND: Quercetin, one of the most widely distributed flavonoids in plants, has been demonstrated to reduce hyperlipidaemia and atherosclerotic lesion formation. Reverse cholesterol transport (RCT) plays a crucial role in exporting cholesterol from peripheral cells, which is one mechanism utilized in the prevention and treatment of atherosclerosis. The aim of this study is to investigate whether quercetin reduces lipid accumulation by improving RCT in vivo. METHODS: Apolipoprotein E-deficient mice fed a high-fat diet were used to investigate the effect of quercetin on RCT by an isotope tracing method, and the underlying mechanisms were clarified by molecular techniques...
January 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28088113/modulatory-effect-of-vanillic-acid-on-antioxidant-status-in-high-fat-diet-induced-changes-in-diabetic-hypertensive-rats
#19
Kolanji Vinothiya, Natarajan Ashokkumar
The worldwide incidence of diabetes has increased dramatically along with widespread lifestyle and dietary changes. Diets high in fat are strongly associated with the development of obesity and can induce insulin resistance in humans and animals. It is clear that obesity constitutes a risk factor for contributing to the development of type 2 diabetes. In the present study, we investigated the therapeutic potential action of vanillic acid on diabetes associated complications using a rat model. Rats were made diabetic hypertensive by high fat diet (HFD) for 20 weeks and were treated with vanillic acid (50mg/kg bw) for last 8 weeks...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28087886/d-chiro-inositol-ameliorates-endothelial-dysfunction-via-inhibition-of-oxidative-stress-and-mitochondrial-fission
#20
Bobo Zhang, Xudan Guo, Yunlong Li, Qiang Peng, Jinfeng Gao, Baolin Liu, Min Wang
SCOPE: D-chiro inositol (DCI), an isomer of inositol, possesses anti-oxidative and endothelial protective properties. The mechanism by which DCI prevents endothelial dysfunction was investigated, with emphasis on oxidative stress. METHODS AND RESULTS: DCI was found to inhibit NOX4 induction and enhance Nrf2 activity in palmitate (PA)-stimulated cells, showing that DCI prevents oxidative stress. DCI suppressed Ser616 phosphorylation and increased Ser637 phosphorylation of Drp1 and inhibited PA-induced mitochondrial fission...
January 14, 2017: Molecular Nutrition & Food Research
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